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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-14 12:58:24 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-14 12:58:24 -0500
commitd0316554d3586cbea60592a41391b5def2553d6f (patch)
tree5e7418f0bacbc68cec5dfd1541e03eb56870aa02 /kernel/time
parentfb0bbb92d42d5bd0ab224605444efdfed06d6934 (diff)
parent51e99be00ce2713cbb841cedc997cafa6e26c7f4 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: (34 commits) m68k: rename global variable vmalloc_end to m68k_vmalloc_end percpu: add missing per_cpu_ptr_to_phys() definition for UP percpu: Fix kdump failure if booted with percpu_alloc=page percpu: make misc percpu symbols unique percpu: make percpu symbols in ia64 unique percpu: make percpu symbols in powerpc unique percpu: make percpu symbols in x86 unique percpu: make percpu symbols in xen unique percpu: make percpu symbols in cpufreq unique percpu: make percpu symbols in oprofile unique percpu: make percpu symbols in tracer unique percpu: make percpu symbols under kernel/ and mm/ unique percpu: remove some sparse warnings percpu: make alloc_percpu() handle array types vmalloc: fix use of non-existent percpu variable in put_cpu_var() this_cpu: Use this_cpu_xx in trace_functions_graph.c this_cpu: Use this_cpu_xx for ftrace this_cpu: Use this_cpu_xx in nmi handling this_cpu: Use this_cpu operations in RCU this_cpu: Use this_cpu ops for VM statistics ... Fix up trivial (famous last words) global per-cpu naming conflicts in arch/x86/kvm/svm.c mm/slab.c
Diffstat (limited to 'kernel/time')
-rw-r--r--kernel/time/timer_stats.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c
index ee5681f8d7ec..63b117e9eba1 100644
--- a/kernel/time/timer_stats.c
+++ b/kernel/time/timer_stats.c
@@ -86,7 +86,7 @@ static DEFINE_SPINLOCK(table_lock);
86/* 86/*
87 * Per-CPU lookup locks for fast hash lookup: 87 * Per-CPU lookup locks for fast hash lookup:
88 */ 88 */
89static DEFINE_PER_CPU(spinlock_t, lookup_lock); 89static DEFINE_PER_CPU(spinlock_t, tstats_lookup_lock);
90 90
91/* 91/*
92 * Mutex to serialize state changes with show-stats activities: 92 * Mutex to serialize state changes with show-stats activities:
@@ -245,7 +245,7 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
245 if (likely(!timer_stats_active)) 245 if (likely(!timer_stats_active))
246 return; 246 return;
247 247
248 lock = &per_cpu(lookup_lock, raw_smp_processor_id()); 248 lock = &per_cpu(tstats_lookup_lock, raw_smp_processor_id());
249 249
250 input.timer = timer; 250 input.timer = timer;
251 input.start_func = startf; 251 input.start_func = startf;
@@ -348,9 +348,10 @@ static void sync_access(void)
348 int cpu; 348 int cpu;
349 349
350 for_each_online_cpu(cpu) { 350 for_each_online_cpu(cpu) {
351 spin_lock_irqsave(&per_cpu(lookup_lock, cpu), flags); 351 spinlock_t *lock = &per_cpu(tstats_lookup_lock, cpu);
352 spin_lock_irqsave(lock, flags);
352 /* nothing */ 353 /* nothing */
353 spin_unlock_irqrestore(&per_cpu(lookup_lock, cpu), flags); 354 spin_unlock_irqrestore(lock, flags);
354 } 355 }
355} 356}
356 357
@@ -408,7 +409,7 @@ void __init init_timer_stats(void)
408 int cpu; 409 int cpu;
409 410
410 for_each_possible_cpu(cpu) 411 for_each_possible_cpu(cpu)
411 spin_lock_init(&per_cpu(lookup_lock, cpu)); 412 spin_lock_init(&per_cpu(tstats_lookup_lock, cpu));
412} 413}
413 414
414static int __init init_tstats_procfs(void) 415static int __init init_tstats_procfs(void)